36.4 Power Consumption
The values are measured
power consumption under the following conditions, except where noted:
- VDD = 3V
- T = 25°C
- OSC20M used as the system clock source, except where otherwise specified
- System power consumption measured with peripherals disabled and without I/O drive
| Mode | Description | Condition | Typ. | Max. | Unit | |
|---|---|---|---|---|---|---|
| Active | Active power consumption | CLK_CPU = 20 MHz (OSC20M) | VDD = 5V | 10.2 | - | mA |
| CLK_CPU = 10 MHz (OSC20M div2) | VDD = 5V | 5.5 | - | mA | ||
| VDD = 3V | 3.1 | - | mA | |||
| CLK_CPU = 5 MHz (OSC20M div4) | VDD = 5V | 3.2 | - | mA | ||
| VDD = 3V | 1.8 | - | mA | |||
| VDD = 2V | 1.2 | - | mA | |||
| CLK_CPU = 32.768 kHz (OSCULP32K) | VDD = 5V | 13.5 | - | µA | ||
| VDD = 3V | 7.5 | - | µA | |||
| VDD = 2V | 5.0 | - | µA | |||
| Idle | Idle power consumption | CLK_CPU = 20 MHz (OSC20M) | VDD = 5V | 4.3 | 6.3(1) | mA |
| CLK_CPU = 10 MHz (OSC20M div2) | VDD = 5V | 2.2 | 3.1(1) | mA | ||
| VDD = 3V | 1.1 | 1.9(1) | mA | |||
| CLK_CPU = 5 MHz (OSC20M div4) | VDD = 5V | 1.1 | 1.6(1) | mA | ||
| VDD = 3V | 0.6 | 0.9 | mA | |||
| VDD = 2V | 0.4 | - | mA | |||
| CLK_CPU = 32.768 kHz (OSCULP32K) | VDD = 5V | 8.2 | 20(1) | µA | ||
| VDD = 3V | 4.2 | 15(1) | µA | |||
| VDD = 2V | 2.6 | - | µA | |||
Note:
- These values are based on characterization and not covered by production test limits.
| Mode | Description | Condition | Typ. 25°C | Max. 25°C | Max. 85°C(1) | Max. 125°C | Unit | |
|---|---|---|---|---|---|---|---|---|
| Standby | Standby power consumption | RTC running at 1.024 kHz from external XOSC32K (CL=7.5 pF) | VDD = 3V | 0.69 | - | - | - | µA |
| RTC running at 1.024 kHz from internal OSCULP32K | VDD = 3V | 0.71 | 3.0 | 6.0 | 8.0 | µA | ||
| Power Down/Standby | Power-down/Standby power consumption are the same when all peripherals are stopped | All peripherals stopped | VDD = 3V | 0.1 | 2.0 | 5.0 | 7.0 | µA |
| Reset | Reset power consumption | Reset line pulled down | VDD = 3V | 100 | - | - | - | µA |
Note:
- These values are based on characterization and not covered by production test limits.